Quote:
Originally Posted by E90M3velocity
Im getting a smoke test done this friday thinking it could be vacuum leak within the system. Thinking a leak could cause it go lean, I'll give you a heads up. Thats weird considering the dealer should know that there is a specific code for a bad lambda sensor.
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Smoke test is a good idea. I think I will end with it too.
I have heard that after each removal of the intake plenum we have to change those eight fasteners holding it within throttle bodies. I have removed it three times already. May be this gives that leak...
Concerning the lambda, there may be some link between them, they both work on controlling the fuel/air mixture.
Please let us know the results you will be given
